Geometry Center http://www.geom.umn.edu the geometry center is no longer actively maintained, but it contains interesting materials for students, e.g. a fractal game, Tetris & Kali games
Lawrence Hall of Science http://www.lawrencehallofscience.org/ variety of activities to explore with students from the EQUALS program at the Lawrence Hall of Science, UC Berkeley and math-related science, including activities, lessons and discussions
Ventura County Office of Education’s Club Math
Technology Resources
Grades 6-12
Biographies of mathematicians
http://www-history.mcs.st-andrews.ac.uk/history/index0.html
Cut the Knot – interactive games and puzzles
http://www.cut-the-knot.org Interactive Mathematics Puzzles
Fulton & Lombard
http://www.tttpress.com Free email newsletter & activities for teaching middle school math from Brad Fulton & Bill Lombard
Geogebra
http://geogebra.org/cms/
Geogebra Tutorials
http://math247.pbworks.com/GeoGebra
http://math247.pbworks.com/GeoGebra-for-Beginners
Geometry Center
http://www.geom.umn.edu the geometry center is no longer actively maintained, but it contains interesting materials for students, e.g. a fractal game, Tetris & Kali games
Khan Academy
http://www.youtube.com/user/khanacademy - video lessons on math topics
Lanius’ Interactive Math Lessons
http://math.rice.edu/~lanius/Lessons/index.html Interactive math activities
Lawrence Hall of Science
http://www.lawrencehallofscience.org/ variety of activities to explore with students from the EQUALS program at the Lawrence Hall of Science, UC Berkeley and math-related science, including activities, lessons and discussions
Math Forum (Drexel University)
http://www.mathforum.com Problems of the Week, teacher & family support
www.mathforum.org/isaac/mathhist.html Offers middle & high school students problems linked to mathematicians, biographies & historical sites
www.mathforum.org/k12/mathtips/beatcalc.html List of mental math shortcuts
Math Dictionary
http://www.amathsdictionaryforkids.com - Animated math dictionary for students
National Library of Virtual Manipulatives
http://matti.usu.edu/nlvm/nav/vlibrary.html National library of virtual manipulatives
Patterns and Puzzles
http://britton.disted.camosun.bc.ca/home.htm Patterns & puzzles from Jill Britton
Shodor Organization
http://www.shodor.org/interactivate/activities/ Activities linked to NCTM Standards
Super Math Units
http://www.supermathunits.com/ Middle grade math units designed for struggling students and English Learners
Teacher Webpage (sample)
http://www.myteacherpages.com/webpages/fnguyen/